Python Whl 오프라인 설치
https://kmdigit.github.io/2020/05/08/python-install-pip-offline/
whl
Offline python whl 파일설치
https://spectrum20.tistory.com/entry/python-%ED%8C%8C%EC%9D%B4%EC%8D%AC-%ED%8C%A8%ED%82%A4%EC%A7%80-Offline-%EC%84%A4%EC%B9%98-%EC%88%98%EB%8F%99-%EC%84%A4%EC%B9%98